Specifications and Drawings of Patents Issued from the U.S. Patent Office

4.11 - 1251 ratings - Source

Enough diluted acetic acid to cover the lead wire is then poured into the tubs of
the upper tier, and is immediately drawn off ... If desired, hot air of a temperature
of ninety degrees (90Ad) Fahrenheit, more or less, may be forced into the tubs toanbsp;...

Title

:

Specifications and Drawings of Patents Issued from the U.S. Patent Office

Author

:

United States. Patent Office

Publisher

:

- 1872

ISBN-13

:

You must register with us as either a Registered User before you can Download this Book. You'll be greeted by a simple sign-up page.

Once you have finished the sign-up process, you will be redirected to your download Book page.